Local Forecast

Longmont, CO Weather Forecast & Alerts

Current conditions, 5-day forecast, active weather alerts for Longmont, CO

Hour-by-Hour  Current Observation

Wednesday 9:15 AM MDTWednesday 9:15 AM

°F °C
Regional Observations →
78°F

Clear

  • 95° / 64° High / Low
  • 78° Feels Like
  • 0% Chance of Rain

Wind

0 mph

N

UV Index

7

High

Humidity

48%

Dew 56°F

Sun

5:49 AM · 8:23 PM

Rise · Set

Source: LONGMONT/VBRAND (KLMO). Slider scrubs the next 12 hours.

5-Day Outlook

Through Sunday

Local Radar →

Wednesday

95° 64°

Thunderstorms Likely

Overnight: Chance of Thunderstorms

Detailed forecast

Wednesday

Showers and thunderstorms likely after noon. Mostly sunny. High near 94, with temperatures falling to around 89 in the afternoon. North northeast wind 3 to 9 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

Night

A chance of showers and thunderstorms before 9pm, then a chance of showers and thunderstorms between 9pm and 3am. Mostly cloudy. Low around 65, with temperatures rising to around 67 overnight. North wind 2 to 9 mph. Chance of precipitation is 40%.

Thursday

89° 62°

Thunderstorms

Overnight: Rain Likely

Detailed forecast

Thursday

A chance of showers and thunderstorms between noon and 1pm, then showers and thunderstorms between 1pm and 5pm, then showers and thunderstorms likely. Partly sunny, with a high near 88. Northeast wind around 3 mph. Chance of precipitation is 80%.

Night

Showers and thunderstorms likely before midnight. Partly cloudy, with a low around 62. West southwest wind around 3 mph. Chance of precipitation is 60%.

Friday

95° 66°

Partly Sunny

Overnight: Partly Cloudy

Detailed forecast

Friday

Sunny, with a high near 94.

Night

Mostly clear, with a low around 66.

Saturday

98° 66°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

Saturday

A slight chance of showers and thunderstorms after noon. Sunny, with a high near 97.

Night

Partly cloudy, with a low around 67.

Sunday

98° 68°

Isolated T-storm

Overnight: Partly Cloudy

Detailed forecast

Sunday

A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 98.

Night

A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 67.